DNA and genetics - Chapter 2

• Biologie
• Middelbare school
• vwo
• Leerjaar 3

Which of the following cells are haploid? Choose from: human sperm cells, leaf cells, human skin cells, human egg cells, hair, human white blood cells

A certain organism has skin cells with 34 chromosomes. Is a skin cell haploid or diploid? How many chromosomes does the other form of the cell have?
(Example answer about a cell with 29 chromosomes: cell is haploid. Diploid cell would have 58 chromosomes.)

A certain plant cell has 21 chromosomes. Is the plant cell haploid or diploid? How many chromosomes does the other form of the cell have?
Example answer about a cell with 29 chromosomes: cell is haploid. Diploid cell would have 58 chromosomes.

A certain fungus cell has 9 chromosomes. Is the cell haploid or diploid? How many chromosomes does the other form of the cell have?
Example answer about a cell with 29 chromosomes: cell is haploid. Diploid cell would have 58 chromosomes

A man has a mutation in his body cell that causes him to have superpowers. The gene is located only on one chromosome. What is the chance that his child will have his superpowers?

1. 0%
2. 25%
3. 50%
4. 100%

If new medical technology allows two women to have children together, what will be the chance of them having a boy as their first baby?

There is one cell and the cell splits in two. How many cells will you have if the cell splits three more times?

1. 4
2. 6
3. 8
4. 16

There is one cell and the cell splits in two. Where is the parent cell after it has been split?

Some plants can be regrown completely from a single branch. Is this sexual or asexual reproduction?

1. Sexual reproduction
2. Asexual reproduction

Most plants make seeds, such as acorns. Is this sexual or asexual reproduction?

1. Sexual reproduction
2. Asexual reproduction

Hannah is a girl with black hair and blue eyes, Bas is a boy with black hair and blue eyes. Are they identical twins or non-identical twins? Explain your answer.

Identical twins Mark and Kevin make a French test. Will they get the same grade? Explain why.

Marc and Kevin are identical twins. Marc marries to Susan and Kevin marries Erica. Susan and Erica are also identical twins. When both couples have a baby boy, are those baby boys geneticall identical? Explain your answer.